ASROCK B450 Pro4 Manual page 11

• 1 x Ultra M.2 Socket (M2_1), supports M Key type
2242/2260/2280 M.2 PCI Express module up to Gen3 x4
(32 Gb/s) (with Summit Ridge, Raven Ridge and Pinnacle
Ridge)**
• 1 x M.2 Socket (M2_2), supports M Key type
2230/2242/2260/2280/22110 M.2 SATA3 6.0 Gb/s module and
M.2 PCI Express module up to Gen3 x2 (16 Gb/s) **
** If M2_1 is occupied, PCIE4 will be disabled.
** Supports NVMe SSD as boot disks
** Supports ASRock U.2 Kit
Connector • 1 x COM Port Header
• 1 x TPM Header
• 1 x Power LED and Speaker Header
• 1 x RGB LED Header
* Supports in total up to 12V/3A, 36W LED Strip
• 1 x Addressable LED Header
* Supports in total up to 5V/3A, 15W LED Strip
• 1 x AMD Fan LED Header
*The AMD Fan LED Header supports LED strips of maximum
load of 3A (36W) and length up to 2.5M.
• 1 x CPU Fan Connector (4-pin)
* The CPU Fan Connector supports the CPU fan of maximum
1A (12W) fan power.
• 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan
Speed Control)
* The CPU/Water Pump Fan supports the water cooler fan of
maximum 2A (24W) fan power.
• 3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan
Speed Control)
* The Chassis/Water Pump Fan supports the water cooler fan of
maximum 2A (24W) fan power.
* CPU_FAN2/WP, CHA_FAN1/WP, CHA_FAN2/WP and
CHA_FAN3/WP can auto detect if 3-pin or 4-pin fan is in use.
• 1 x 24 pin ATX Power Connector
• 1 x 8 pin 12V Power Connector
B450 Pro4
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